Holmes Allergen Remover Tower Air Purifier with True HEPA Filter, HAP1702-TU Quiet portable air purifier removes up to 99.99% of airborne allergens Captures allergens such as Pet Dander, Household Dust, Pollen, Mold Spores, Odors 3 speed settings to keep air fresh and pure True HEPA-type filter Uses any Holmes AER1 Series filter: HAP300AH, HAPF30AS, HAPF30AO, HAPF30AH, HAPF30AT